218295000001 has 64 divisors (see below), whose sum is σ = 259060032000.
Its totient is φ = 182097248256.
The previous prime is 218294999999. The next prime is 218295000037. The reversal of 218295000001 is 100000592812.
Adding to 218295000001 its reverse (100000592812), we get a palindrome (318295592813).
It is a 3-Lehmer number, since φ(218295000001) divides (218295000001-1)3.
It is a cyclic number.
It is a Carmichael number.
It is not a de Polignac number, because 218295000001 - 21 = 218294999999 is a prime.
It is a deceptive number, since it divides R218295000000.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (218295000061) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 168306985 + ... + 168308281.
It is an arithmetic number, because the mean of its divisors is an integer number (4047813000).
It is a Poulet number, since it divides 2218295000000-1.
Almost surely, 2218295000001 is an apocalyptic number.
It is an amenable number.
218295000001 is a deficient number, since it is larger than the sum of its proper divisors (40765031999).
218295000001 is a wasteful number, since it uses less digits than its factorization.
218295000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1658.
The product of its (nonzero) digits is 1440, while the sum is 28.
The spelling of 218295000001 in words is "two hundred eighteen billion, two hundred ninety-five million, one", and thus it is an aban number.